(1) At any time within one month after the determination of the compensation payable under section 66 , the planning authority may give notice to the claimant of its intention to withdraw or modify all or any of the provisions of the planning scheme which gave rise to the claim for compensation.(2) Not later than 3 months after giving notice, the planning authority must (a) where the notice relates to a planning scheme, submit for the approval of the Commission an amendment of the planning scheme, prepared in accordance with Part 3B , carrying into effect the withdrawal or modification; and(b) . . . . . . . .(3) On the coming into operation of the amendment of the planning scheme, and on payment by the planning authority of the claimant's costs of and in connection with the making of the claim or the award of compensation, as the case may be, the judgment, order or award for payment of compensation is to be discharged, as prescribed, without prejudice to the right of the claimant to make a further claim for compensation under this Division in respect of the planning scheme as amended.